DO NOT REPLY [Bug 6275] New: - Validation fails with 'Unknown content spec type' if a type is extended using xs:all

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6275

Validation fails with 'Unknown content spec type' if a type is extended using xs:all

           Summary: Validation fails with 'Unknown content spec type' if a
                    type is extended using xs:all
           Product: Xerces-C++
           Version: 1.6.0
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Validating Parser (Schema) (Xerces 1.5 or up only)
        AssignedTo: xerces-c-dev@xml.apache.org
        ReportedBy: alby@exceloncorp.com


When an XMLSchema contains this structure

	<xs:complexType name='type'>
		<xs:complexContent>
			<xs:extension base="baseType">
				<xs:all>
					<xs:element name="el1" type="xs:int"/>
					....

the validator fails with "Unknown content spec type".
This because the xs:extension generates a structure like

   sequence( base_type_structure, all(element,element...) )

and ComplexTypeInfo::createChildModel, by seeing the initial 'sequence' node, 
creates a DFAContentModel wrapper. When the DFAContentModel finds the 'all' 
node, it throws the exception.

c:\> saxcount -n -s -f "test simple message.xml"

Fatal Error at file c:\test simple message.xml, line 2, char 116
  Message: An exception occured! Type:RuntimeException, Message:Unknown 
content spec type

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